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金川二矿区深部开拓巷道978分段道工程在施工中使用了锚杆、锚注、锚索喷射混凝土及钢筋混凝土联合支护,该支护与围岩共同组成稳定组合拱,充分利用围岩自身承载能力的同时,加强支护体的强度,工程使用后巷道稳定,达到了预期效果。
The Jinchuan No.2 mining area deep excavation roadway 978 section of the road project in the construction of the use of anchor, anchor injection, shotcrete injection of concrete and reinforced concrete support, the support and the surrounding rock together to form a stable combination of arch, make full use of the surrounding rock itself Carrying capacity at the same time, strengthen the strength of the support body, the project after the use of roadway stability, to achieve the desired results.